/*
 * Copyright (c) 2013 Functional Streams for Scala
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package fs2

import scala.collection.immutable.ArraySeq

private[fs2] trait ChunkPlatform[+O] extends Chunk213And3Compat[O] {
  self: Chunk[O] =>

  private[fs2] def asSeqPlatform: Option[IndexedSeq[O]] =
    this match {
      case arraySlice: Chunk.ArraySlice[?] =>
        Some(
          ArraySeq
            .unsafeWrapArray(arraySlice.values)
            .slice(
              from = arraySlice.offset,
              until = arraySlice.offset + arraySlice.length
            )
        )

      case _ =>
        None
    }
}

private[fs2] trait ChunkAsSeqPlatform[+O] extends ChunkAsSeq213And3Compat[O] {
  self: ChunkAsSeq[O] =>
}

private[fs2] trait ChunkCompanionPlatform extends ChunkCompanion213And3Compat {
  self: Chunk.type =>
}
